5 things you missed: Skype for iOS in HD, printable music boxes and more

If you have an iPad or iPhone with iOS7, Skype just did you a favor. You can now call your friends, family, colleagues – or anyone – in HD. You can also receive messages in the background and your conversations sync with your desktop much faster.

Maybe, maybe not. Either way, Facebook just released a new trending topic-esque toolbar to the right side of the site. According to a Facebook engineer, the trending list is catered to each user's likes and “what's trending across Facebook overall.”

eBay isn't just about bidding wars any longer. According to some analysts, eBay is moving toward becoming a premiere retail hub by launching The Plaza, where you can buy directly from your favorite brands.

While eBay officials are mum on the details of the new online marketplace, one spokeswoman said eBay is always looking for innovative ways to market to eBay's audience.

If you have a 3-D printer at home, you could soon make edits and changes with Photoshop CC, the cloud-based photo editing tool from Adobe. With Photoshop CC, you can refine, preview and print your 3-D creation with ease.

In addition to having built-in support for four 3-D printers, you can also merge your masterpieces with the Shapeways and Sketchfab 3-D publishing libraries.

If you think music boxes are from your grandmother's generation, you're mistaken. At least, that's what the new service Music Drops hopes.

How does it work? You compose a 16-note tune using a grid to create chords. Music Drops converts the grid input to a 3-D-printable file, at which point you can print your own music boxes in the shape of a tear drop. It's cute. And right now, it's free.